Where to install Auto Keras as getting error on pip

Question

as per autokeras website I am trying to install auto keras

I run this command

pip install autokeras

on Python 3.7.0 command prompt but I am getting this error

>>> pip install autokeras
  File "<stdin>", line 1
    pip install autokeras
              ^
SyntaxError: invalid syntax

what is wrong and how to fix it?